The ACOTH function returns the inverse hyperbolic cotangent of a number.
Formula:
=ACOTH(number)
Explanations:
The number is required, the number with an absolute value greater than 1.
Cautions:
– The result returns the #NUM! error value when the number is less than 1.
– The ACOTH function applies to Excel 2016, Excel 2013, Excel 2016 for Mac, Excel 2011 for Mac.
Example 1: When the number is less than -1, the function returns a negative value;
Example 2: When the number is greater than 1, the function returns a positive value;
Example 3: When the number from -1 to 1, the function returns an error.